'\" te
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.TH SIGPENDING 2 "Dec 28, 1996"
.SH NAME
sigpending \- examine signals that are blocked and pending
.SH SYNOPSIS
.LP
.nf
#include <signal.h>

\fBint\fR \fBsigpending\fR(\fBsigset_t *\fR\fIset\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBsigpending()\fR function retrieves those signals that have been sent to
the calling process but are being blocked from delivery by the calling
process's signal mask. The signals are stored in the space pointed to by the
\fIset\fR argument.
.SH RETURN VALUES
.sp
.LP
Upon successful completion, \fB0\fR is returned. Otherwise, \fB\(mi1\fR is
returned and \fBerrno\fR is set to indicate the error.
.SH ERRORS
.sp
.LP
The \fBsigpending()\fR function will fail if:
.sp
.ne 2
.na
\fB\fBEFAULT\fR\fR
.ad
.RS 10n
The \fIset\fR argument points to an illegal address.
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard
_
MT-Level	Async-Signal-Safe
.TE

.SH SEE ALSO
.sp
.LP
.BR sigaction (2),
.BR sigprocmask (2),
.BR sigsetops (3C),
.BR attributes (7),
.BR standards (7)
